Dubisch, Roy <br/><br/>
The nature of number :  an approach to basic ideas of modern mathematics / 
Roy Dubisch 
 - New York :      Ronald Press ,  1952 
 - xi, 159p. :  ill. ;  20 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics <br/>Popular works
<br/><br/><label>Dewey Class. No.: </label>510  / DUB